W
WebMon
WebMon monitoring tool
About this crawler
WebMon is a web crawler identified by the regular-expression pattern WebMon in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block WebMon traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- WebMon
- Pattern
WebMon- Tags
- monitoring
- Added
- 2026/05/09
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mozilla/3.0 (compatible; WebMon 1.0.11; Windows XP)
Block this crawler
robots.txt — disallow WebMon:
User-agent: WebMon
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} WebMon [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "WebMon") {
return 403;
}
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